What is the cheapest month to fly from Jeju to Cheongju?

Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Jeju (CJU) to Cheongju (CJJ), with fares starting from $27.

What is the lowest current fare from CJU to CJJ?

The lowest currently-listed fare from Jeju (CJU) to Cheongju (CJJ) is $27 on 2026-08-21.

How long is the flight from Jeju to Cheongju?

Direct flights from CJU to CJJ cover approximately 369 km (229 miles), with an estimated flight time of 26m. Operating airlines: 7C, KE, LJ, OZ, TW, ZE.

Cheap flights from Jeju to Cheongju

Cheapest current fares: $27 in August 2026, 369 km direct flight in ~26m.

Last updated July 26, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Jeju (CJU) to Cheongju (CJJ). Refreshed daily.

Jeju (CJU) → Cheongju (CJJ)

August 2026 $27

Frequently asked questions

What is the cheapest month to fly from Jeju to Cheongju?

Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Jeju (CJU) to Cheongju (CJJ), with fares starting from $27.
What is the lowest current fare from CJU to CJJ?

The lowest currently-listed fare from Jeju (CJU) to Cheongju (CJJ) is $27 on 2026-08-21.
How long is the flight from Jeju to Cheongju?

Direct flights from CJU to CJJ cover approximately 369 km (229 miles), with an estimated flight time of 26m. Operating airlines: 7C, KE, LJ, OZ, TW, ZE.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.